DAVID ANDERS (“ONCE UPON A TIME,” “THE VAMPIRE DIARIES”) GUEST STARS — Cyrus Vanch, a nefarious criminal, is recently released from prison and intends to re-secure his position as leader of the underworld. His first step is to take down his biggest opponent in the city – Arrow. Meanwhile, Oliver shows Moira his father’s notebook and questions her about the names on the list. Thea is miserable as she starts her internship with Laurel at the legal aid office and Detective Lance makes a deadly mistake that puts Laurel in the crosshairs of Vanch.

David Ramsey and Colin Donnell also star. Guy Bee directed the episode written by Lana Cho & Beth Schwartz.